hi, Am Dienstag, den 03.05.2016, 17:34 -0700 schrieb Swami: > Thanks. I synced the uboot code from upstream source tree[1] and > applied the config changes[2] into include/configs/rpi.h, as I am > trying to use Raspberry Pi2 as reference board. Now, I wanted to see > if my custom generated uboot.bin works on the board. So, I downloaded > the rpi2 snap source from [3], replaced the u-boot.bin > into /snappy-systems/pi2.moved/boot-assets/ and renamed it uboot.bin. > Ran snappy build in main pi2.moved directory to generate the .snap > file. Using this snap file and the device tar ball from [4], created > the image file using below command. > sudo ubuntu-device-flash core 15.04 --oem mycustom_2.1_all.snap > --developer-mode --device-part=device-pi2-0.16.tar.xz -o pi2.img. > Flashing this image, goes to u-boot, but doesn't boot the kernel. > Also, don't see the environment variables being loaded due to below > error: > > reading uboot.env > *** Warning - bad CRC, using default environment
you are missing:
#define CONFIG_ENV_SIZE SZ_128K
in your uboot config patch ... by default the rpi only sets it to 16k
and since uboot.env is a binary blob, size (info) matters ;)
ciao
oli
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